public void Update(GameEngine engine)
{
//Console.WriteLine(DeltaScrollWheel);
//DeltaScrollWheel = 0; //we only want the difference for each frame, the total value is irrelevant
PreviousKeyboardState.Clear();
PreviousMouseState.Clear();
PreviousMousePosition = MousePosition;
MousePosition = Mouse.GetPosition(engine.Window);
foreach (KeyValuePair <Keyboard.Key, bool> valuePair in KeyboardState)
{
PreviousKeyboardState.Add(valuePair.Key, valuePair.Value);
}
foreach (KeyValuePair <Mouse.Button, bool> valuePair in MouseState)
{
PreviousMouseState.Add(valuePair.Key, valuePair.Value);
}
KeyboardState.Clear();
MouseState.Clear();
foreach (Keyboard.Key key in keysEnum)
{
KeyboardState.Add(key, CheckKey(key));
}
foreach (Mouse.Button button in buttonsEnum)
{
MouseState.Add(button, CheckButton(button));
}
}
private void CheckKeyState()
{
lock (KeyboardState)
{
PreviousKeyboardState.Clear();
foreach (var key in KeyboardState)
{
PreviousKeyboardState.Add(key);
}
}
}
bool IVirtualKeyboard.TryGetText(uint virtualKey, VirtualKeyModifiers virtualKeyModifiers, out string text, out bool isDeadKey)
{
try
{
if (VirtualKeyModifiers.Oem1 == (virtualKeyModifiers & VirtualKeyModifiers.Oem1))
{
if (!Oem1Modifier.HasValue)
{
text = String.Empty;
isDeadKey = false;
return(false);
}
}
if (Oem1Modifier.HasValue && KeyboardState.IsKeySet(Oem1Modifier.Value))
{
virtualKeyModifiers |= VirtualKeyModifiers.Oem1;
}
if (VirtualKeyModifiers.Oem2 == (virtualKeyModifiers & VirtualKeyModifiers.Oem2))
{
if (!Oem2Modifier.HasValue)
{
text = String.Empty;
isDeadKey = false;
return(false);
}
}
if (Oem2Modifier.HasValue && KeyboardState.IsKeySet(Oem2Modifier.Value))
{
virtualKeyModifiers |= VirtualKeyModifiers.Oem2;
}
var key = KeyInterop.KeyFromVirtualKey((int)virtualKey);
var keyState = new KeyState(key, virtualKeyModifiers);
isDeadKey = false;
return(_keyMap.TryGetValue(keyState, out text));
}
finally
{
_keyboardState.Clear();
}
}